'Kneeling' in the Bible

Then the mother of the sons of Zebedee came to him with her sons, and kneeling down she asked him for a favor.

and after braiding a crown of thorns, they put it on his head. They put a staff in his right hand, and kneeling down before him, they mocked him: "Hail, king of the Jews!"

When our time was over, we left and went on our way. All of them, with their wives and children, accompanied us outside of the city. After kneeling down on the beach and praying,